/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/pubsub/v1/pubsub.proto

package com.google.pubsub.v1;

/**
 *
 *
 * <pre>
 * A message that is published by publishers and consumed by subscribers. The
 * message must contain either a non-empty data field or at least one attribute.
 * Note that client libraries represent this object differently
 * depending on the language. See the corresponding [client library
 * documentation](https://cloud.google.com/pubsub/docs/reference/libraries) for
 * more information. See [quotas and limits]
 * (https://cloud.google.com/pubsub/quotas) for more information about message
 * limits.
 * </pre>
 *
 * Protobuf type {@code google.pubsub.v1.PubsubMessage}
 */
public final class PubsubMessage extends com.google.protobuf.GeneratedMessageV3
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   * Attributes for this message. If this field is empty, the message must
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   * Attributes for this message. If this field is empty, the message must
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  /**
   *
   *
   * <pre>
   * ID of this message, assigned by the server when the message is published.
   * Guaranteed to be unique within the topic. This value may be read by a
   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
   * delivery. It must not be populated by the publisher in a `Publish` call.
   * </pre>
   *
   * <code>string message_id = 3;</code>
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   *
   *
   * <pre>
   * ID of this message, assigned by the server when the message is published.
   * Guaranteed to be unique within the topic. This value may be read by a
   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
   * delivery. It must not be populated by the publisher in a `Publish` call.
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   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
   * publisher in a `Publish` call.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp publish_time = 4;</code>
   *
   * @return Whether the publishTime field is set.
   */
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  /**
   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
   * publisher in a `Publish` call.
   * </pre>
   *
   * <code>.google.protobuf.Timestamp publish_time = 4;</code>
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   *
   *
   * <pre>
   * The time at which the message was published, populated by the server when
   * it receives the `Publish` call. It must not be populated by the
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   * </pre>
   *
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   *
   *
   * <pre>
   * If non-empty, identifies related messages for which publish order should be
   * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
   * messages published with the same non-empty `ordering_key` value will be
   * delivered to subscribers in the order in which they are received by the
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   * </pre>
   *
   * <code>string ordering_key = 5;</code>
   *
   * @return The orderingKey.
   */
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   * If non-empty, identifies related messages for which publish order should be
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   * Note that client libraries represent this object differently
   * depending on the language. See the corresponding [client library
   * documentation](https://cloud.google.com/pubsub/docs/reference/libraries) for
   * more information. See [quotas and limits]
   * (https://cloud.google.com/pubsub/quotas) for more information about message
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      return com.google.pubsub.v1.PubsubProto
          .internal_static_google_pubsub_v1_PubsubMessage_descriptor;
    }

    @java.lang.Override
    public com.google.pubsub.v1.PubsubMessage getDefaultInstanceForType() {
      return com.google.pubsub.v1.PubsubMessage.getDefaultInstance();
    }

    @java.lang.Override
    public com.google.pubsub.v1.PubsubMessage build() {
      com.google.pubsub.v1.PubsubMessage result = buildPartial();
      if (!result.isInitialized()) {
        throw newUninitializedMessageException(result);
      }
      return result;
    }

    @java.lang.Override
    public com.google.pubsub.v1.PubsubMessage buildPartial() {
      com.google.pubsub.v1.PubsubMessage result = new com.google.pubsub.v1.PubsubMessage(this);
      int from_bitField0_ = bitField0_;
      result.data_ = data_;
      result.attributes_ = internalGetAttributes();
      result.attributes_.makeImmutable();
      result.messageId_ = messageId_;
      if (publishTimeBuilder_ == null) {
        result.publishTime_ = publishTime_;
      } else {
        result.publishTime_ = publishTimeBuilder_.build();
      }
      result.orderingKey_ = orderingKey_;
      onBuilt();
      return result;
    }

    @java.lang.Override
    public Builder clone() {
      return super.clone();
    }

    @java.lang.Override
    public Builder setField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.setField(field, value);
    }

    @java.lang.Override
    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
      return super.clearField(field);
    }

    @java.lang.Override
    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
      return super.clearOneof(oneof);
    }

    @java.lang.Override
    public Builder setRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
      return super.setRepeatedField(field, index, value);
    }

    @java.lang.Override
    public Builder addRepeatedField(
        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
      return super.addRepeatedField(field, value);
    }

    @java.lang.Override
    public Builder mergeFrom(com.google.protobuf.Message other) {
      if (other instanceof com.google.pubsub.v1.PubsubMessage) {
        return mergeFrom((com.google.pubsub.v1.PubsubMessage) other);
      } else {
        super.mergeFrom(other);
        return this;
      }
    }

    public Builder mergeFrom(com.google.pubsub.v1.PubsubMessage other) {
      if (other == com.google.pubsub.v1.PubsubMessage.getDefaultInstance()) return this;
      if (other.getData() != com.google.protobuf.ByteString.EMPTY) {
        setData(other.getData());
      }
      internalGetMutableAttributes().mergeFrom(other.internalGetAttributes());
      if (!other.getMessageId().isEmpty()) {
        messageId_ = other.messageId_;
        onChanged();
      }
      if (other.hasPublishTime()) {
        mergePublishTime(other.getPublishTime());
      }
      if (!other.getOrderingKey().isEmpty()) {
        orderingKey_ = other.orderingKey_;
        onChanged();
      }
      this.mergeUnknownFields(other.unknownFields);
      onChanged();
      return this;
    }

    @java.lang.Override
    public final boolean isInitialized() {
      return true;
    }

    @java.lang.Override
    public Builder mergeFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
      com.google.pubsub.v1.PubsubMessage parsedMessage = null;
      try {
        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
        parsedMessage = (com.google.pubsub.v1.PubsubMessage) e.getUnfinishedMessage();
        throw e.unwrapIOException();
      } finally {
        if (parsedMessage != null) {
          mergeFrom(parsedMessage);
        }
      }
      return this;
    }

    private int bitField0_;

    private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
    /**
     *
     *
     * <pre>
     * The message data field. If this field is empty, the message must contain
     * at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1;</code>
     *
     * @return The data.
     */
    @java.lang.Override
    public com.google.protobuf.ByteString getData() {
      return data_;
    }
    /**
     *
     *
     * <pre>
     * The message data field. If this field is empty, the message must contain
     * at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1;</code>
     *
     * @param value The data to set.
     * @return This builder for chaining.
     */
    public Builder setData(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }

      data_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * The message data field. If this field is empty, the message must contain
     * at least one attribute.
     * </pre>
     *
     * <code>bytes data = 1;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearData() {

      data_ = getDefaultInstance().getData();
      onChanged();
      return this;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String> attributes_;

    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetAttributes() {
      if (attributes_ == null) {
        return com.google.protobuf.MapField.emptyMapField(
            AttributesDefaultEntryHolder.defaultEntry);
      }
      return attributes_;
    }

    private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetMutableAttributes() {
      onChanged();
      ;
      if (attributes_ == null) {
        attributes_ =
            com.google.protobuf.MapField.newMapField(AttributesDefaultEntryHolder.defaultEntry);
      }
      if (!attributes_.isMutable()) {
        attributes_ = attributes_.copy();
      }
      return attributes_;
    }

    public int getAttributesCount() {
      return internalGetAttributes().getMap().size();
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    @java.lang.Override
    public boolean containsAttributes(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      return internalGetAttributes().getMap().containsKey(key);
    }
    /** Use {@link #getAttributesMap()} instead. */
    @java.lang.Override
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getAttributes() {
      return getAttributesMap();
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    @java.lang.Override
    public java.util.Map<java.lang.String, java.lang.String> getAttributesMap() {
      return internalGetAttributes().getMap();
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    @java.lang.Override
    public java.lang.String getAttributesOrDefault(
        java.lang.String key, java.lang.String defaultValue) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    @java.lang.Override
    public java.lang.String getAttributesOrThrow(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      java.util.Map<java.lang.String, java.lang.String> map = internalGetAttributes().getMap();
      if (!map.containsKey(key)) {
        throw new java.lang.IllegalArgumentException();
      }
      return map.get(key);
    }

    public Builder clearAttributes() {
      internalGetMutableAttributes().getMutableMap().clear();
      return this;
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    public Builder removeAttributes(java.lang.String key) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      internalGetMutableAttributes().getMutableMap().remove(key);
      return this;
    }
    /** Use alternate mutation accessors instead. */
    @java.lang.Deprecated
    public java.util.Map<java.lang.String, java.lang.String> getMutableAttributes() {
      return internalGetMutableAttributes().getMutableMap();
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    public Builder putAttributes(java.lang.String key, java.lang.String value) {
      if (key == null) {
        throw new java.lang.NullPointerException();
      }
      if (value == null) {
        throw new java.lang.NullPointerException();
      }
      internalGetMutableAttributes().getMutableMap().put(key, value);
      return this;
    }
    /**
     *
     *
     * <pre>
     * Attributes for this message. If this field is empty, the message must
     * contain non-empty data. This can be used to filter messages on the
     * subscription.
     * </pre>
     *
     * <code>map&lt;string, string&gt; attributes = 2;</code>
     */
    public Builder putAllAttributes(java.util.Map<java.lang.String, java.lang.String> values) {
      internalGetMutableAttributes().getMutableMap().putAll(values);
      return this;
    }

    private java.lang.Object messageId_ = "";
    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return The messageId.
     */
    public java.lang.String getMessageId() {
      java.lang.Object ref = messageId_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        messageId_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return The bytes for messageId.
     */
    public com.google.protobuf.ByteString getMessageIdBytes() {
      java.lang.Object ref = messageId_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        messageId_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @param value The messageId to set.
     * @return This builder for chaining.
     */
    public Builder setMessageId(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      messageId_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearMessageId() {

      messageId_ = getDefaultInstance().getMessageId();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     * </pre>
     *
     * <code>string message_id = 3;</code>
     *
     * @param value The bytes for messageId to set.
     * @return This builder for chaining.
     */
    public Builder setMessageIdBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      messageId_ = value;
      onChanged();
      return this;
    }

    private com.google.protobuf.Timestamp publishTime_;
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        publishTimeBuilder_;
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     *
     * @return Whether the publishTime field is set.
     */
    public boolean hasPublishTime() {
      return publishTimeBuilder_ != null || publishTime_ != null;
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     *
     * @return The publishTime.
     */
    public com.google.protobuf.Timestamp getPublishTime() {
      if (publishTimeBuilder_ == null) {
        return publishTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : publishTime_;
      } else {
        return publishTimeBuilder_.getMessage();
      }
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder setPublishTime(com.google.protobuf.Timestamp value) {
      if (publishTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        publishTime_ = value;
        onChanged();
      } else {
        publishTimeBuilder_.setMessage(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder setPublishTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      if (publishTimeBuilder_ == null) {
        publishTime_ = builderForValue.build();
        onChanged();
      } else {
        publishTimeBuilder_.setMessage(builderForValue.build());
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder mergePublishTime(com.google.protobuf.Timestamp value) {
      if (publishTimeBuilder_ == null) {
        if (publishTime_ != null) {
          publishTime_ =
              com.google.protobuf.Timestamp.newBuilder(publishTime_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          publishTime_ = value;
        }
        onChanged();
      } else {
        publishTimeBuilder_.mergeFrom(value);
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public Builder clearPublishTime() {
      if (publishTimeBuilder_ == null) {
        publishTime_ = null;
        onChanged();
      } else {
        publishTime_ = null;
        publishTimeBuilder_ = null;
      }

      return this;
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public com.google.protobuf.Timestamp.Builder getPublishTimeBuilder() {

      onChanged();
      return getPublishTimeFieldBuilder().getBuilder();
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
      if (publishTimeBuilder_ != null) {
        return publishTimeBuilder_.getMessageOrBuilder();
      } else {
        return publishTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : publishTime_;
      }
    }
    /**
     *
     *
     * <pre>
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the
     * publisher in a `Publish` call.
     * </pre>
     *
     * <code>.google.protobuf.Timestamp publish_time = 4;</code>
     */
    private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Timestamp,
            com.google.protobuf.Timestamp.Builder,
            com.google.protobuf.TimestampOrBuilder>
        getPublishTimeFieldBuilder() {
      if (publishTimeBuilder_ == null) {
        publishTimeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Timestamp,
                com.google.protobuf.Timestamp.Builder,
                com.google.protobuf.TimestampOrBuilder>(
                getPublishTime(), getParentForChildren(), isClean());
        publishTime_ = null;
      }
      return publishTimeBuilder_;
    }

    private java.lang.Object orderingKey_ = "";
    /**
     *
     *
     * <pre>
     * If non-empty, identifies related messages for which publish order should be
     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
     * messages published with the same non-empty `ordering_key` value will be
     * delivered to subscribers in the order in which they are received by the
     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
     * must specify the same `ordering_key` value.
     * </pre>
     *
     * <code>string ordering_key = 5;</code>
     *
     * @return The orderingKey.
     */
    public java.lang.String getOrderingKey() {
      java.lang.Object ref = orderingKey_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        orderingKey_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * If non-empty, identifies related messages for which publish order should be
     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
     * messages published with the same non-empty `ordering_key` value will be
     * delivered to subscribers in the order in which they are received by the
     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
     * must specify the same `ordering_key` value.
     * </pre>
     *
     * <code>string ordering_key = 5;</code>
     *
     * @return The bytes for orderingKey.
     */
    public com.google.protobuf.ByteString getOrderingKeyBytes() {
      java.lang.Object ref = orderingKey_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        orderingKey_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
    /**
     *
     *
     * <pre>
     * If non-empty, identifies related messages for which publish order should be
     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
     * messages published with the same non-empty `ordering_key` value will be
     * delivered to subscribers in the order in which they are received by the
     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
     * must specify the same `ordering_key` value.
     * </pre>
     *
     * <code>string ordering_key = 5;</code>
     *
     * @param value The orderingKey to set.
     * @return This builder for chaining.
     */
    public Builder setOrderingKey(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }

      orderingKey_ = value;
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * If non-empty, identifies related messages for which publish order should be
     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
     * messages published with the same non-empty `ordering_key` value will be
     * delivered to subscribers in the order in which they are received by the
     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
     * must specify the same `ordering_key` value.
     * </pre>
     *
     * <code>string ordering_key = 5;</code>
     *
     * @return This builder for chaining.
     */
    public Builder clearOrderingKey() {

      orderingKey_ = getDefaultInstance().getOrderingKey();
      onChanged();
      return this;
    }
    /**
     *
     *
     * <pre>
     * If non-empty, identifies related messages for which publish order should be
     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
     * messages published with the same non-empty `ordering_key` value will be
     * delivered to subscribers in the order in which they are received by the
     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
     * must specify the same `ordering_key` value.
     * </pre>
     *
     * <code>string ordering_key = 5;</code>
     *
     * @param value The bytes for orderingKey to set.
     * @return This builder for chaining.
     */
    public Builder setOrderingKeyBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);

      orderingKey_ = value;
      onChanged();
      return this;
    }

    @java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }

    @java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }

    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PubsubMessage)
  }

  // @@protoc_insertion_point(class_scope:google.pubsub.v1.PubsubMessage)
  private static final com.google.pubsub.v1.PubsubMessage DEFAULT_INSTANCE;

  static {
    DEFAULT_INSTANCE = new com.google.pubsub.v1.PubsubMessage();
  }

  public static com.google.pubsub.v1.PubsubMessage getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }

  private static final com.google.protobuf.Parser<PubsubMessage> PARSER =
      new com.google.protobuf.AbstractParser<PubsubMessage>() {
        @java.lang.Override
        public PubsubMessage parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
          return new PubsubMessage(input, extensionRegistry);
        }
      };

  public static com.google.protobuf.Parser<PubsubMessage> parser() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.protobuf.Parser<PubsubMessage> getParserForType() {
    return PARSER;
  }

  @java.lang.Override
  public com.google.pubsub.v1.PubsubMessage getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
}
